CN106195464B - A bamboo winding composite pressure pipe - Google Patents
A bamboo winding composite pressure pipe Download PDFInfo
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- CN106195464B CN106195464B CN201610736362.6A CN201610736362A CN106195464B CN 106195464 B CN106195464 B CN 106195464B CN 201610736362 A CN201610736362 A CN 201610736362A CN 106195464 B CN106195464 B CN 106195464B
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Abstract
The invention discloses a kind of bamboos to wind composite pressure pipe; it successively includes liner layer (1), functional layer and external protection (5) that the bamboo winds composite pressure pipe along caliber direction from inside to outside; wherein; functional layer includes that at least two layers of bamboo winding composite layer and at least one layer of insulating layer (3), adjacent any two bamboo winds and be provided with insulating layer (3) between composite layer；It includes multilayer thin bamboo strips used for weaving layer that any one bamboo, which winds composite layer, and thin bamboo strips used for weaving layer is entwined by thin bamboo strips used for weaving；Any one insulating layer (3) is insulation carpet veneer；External protection (5) is the coating of anti-corrosion and waterproof.The present invention to crucial pipeline parietal layer structure, insulating layer by being specifically arranged parameter etc. and improving, so that bamboo winding composite pressure pipe had both had good heat insulating effect, there is high intensity again, can be used as pressure pipeline applied to various fluids (including liquids and gases) transmission field.
Description
Technical field
The invention belongs to composite pressure pipeline related fieldss, wind composite pressure pipe, the bamboo more particularly, to a kind of bamboo
Winding composite pressure pipe has high heat insulation effect, is particularly suitable for the application environment for needing to keep the temperature or area.
Background technique
Bamboo wood material is reproducible green material, recently as the increasingly mature of bamboo composite pressure pipe the relevant technologies
(for example, Chinese patent literature CN105546230A, CN101571213A, CN202327397U), bamboo multiple tube is as a kind of energy
Enough bear certain pressure pipeline, can generally be substituted in the occasions such as water supply and sewage work, petrochemical industry anti-corrosion polyvinyl chloride pipe,
Polyethylene pipe, glass reinforced plastic pipe, FRP sand tube etc., have a good application prospect.
In the adiabatic heat-insulation requirement of engineering of the pipelines such as petroleum, chemical industry, space flight, military affairs, central heating, central air-conditioning, municipal administration
Use utilidor.It is influenced in low temperature environment, such as northeast by high latitude, there are many deep Frozen Areas, to avoid low temperature ring
Border induces pipeline breaking (since volume expansion makes frost crack pipe after such as water-ice jelly), and pipeline is generally required with heat insulating ability；Separately
Outside, in southern area of China, although winter temperature is higher, there are still the possibility of the extreme weather conditions of severe cold, and severe cold
Weather equally can also induce the breakage of the piping outside the house (especially water-supply-pipe), influence normally to produce, live.Traditional insulating tube
Road is all using pressure pipeline+insulating layer+outside protective pipe " tube-in-tube " mode, and insulating layer is that physics connects with inside and outside pipeline
Touching plays passiveness to heat preservation in addition, currently used inside and outside pipe material (such as steel metal material) thermal coefficient itself is big
Effect, affects the heat insulation effect of utilidor.
Summary of the invention
Aiming at the above defects or improvement requirements of the prior art, the purpose of the present invention is to provide a kind of bamboos to wind compound pressure
Solenoid, wherein by the way that its crucial pipeline parietal layer structure, insulating layer are specifically arranged parameter etc. and are improved, with prior art phase
The poor problem than can effectively solve the problem that utilidor heat insulation effect, and the intensity of the utilidor is high, and pressure rating is reachable
1.6MPa, ring stiffness is up to 15000N/m2。
To achieve the above object, according to the present invention provides a kind of bamboos to wind composite pressure pipe, which is characterized in that the bamboo twines
Around composite pressure pipe along caliber direction from inside to outside successively including liner layer (1), functional layer and external protection (5), wherein described
Functional layer includes at least two layers of bamboo winding composite layer and at least one layer of insulating layer (3), and bamboo winding described in adjacent any two is multiple
It closes and is provided with the insulating layer (3) between layer；
Any one of bamboo winding composite layer includes multilayer thin bamboo strips used for weaving layer, and the thin bamboo strips used for weaving layer is entwined by thin bamboo strips used for weaving；
Any one of insulating layer (3) is insulation carpet veneer.
As present invention further optimization, any one of insulating layer (3) is felt insulation winding layer；Preferably,
For any one of insulating layer (3) being arranged between the winding composite layer of bamboo described in adjacent any two, the insulation
It is compound that felt winds around adjacent with the insulating layer (3) and inside bamboo winding composite pressure pipe bamboo winding
On the outside of layer, and wound in adjacent with the insulating layer (3) and outside bamboo winding composite pressure pipe the bamboo
Composite layer closely surrounds.
As present invention further optimization, composite layer is wound for any one of bamboo, which winds in composite layer
Each thin bamboo strips used for weaving layer between pass through adhesive be bonded.
As present invention further optimization, the thickness of any one of bamboo winding composite layer is not less than 4mm；It is any one
The thickness of a insulating layer (3) is not more than 50mm.
As present invention further optimization, the bamboo winding composite layer is two layers, and the insulating layer (3) is one layer, point
Composite pressure Ji not be wound close to the bamboo winding composite layer inside bamboo winding composite pressure pipe and close to the bamboo
Bamboo winding composite layer outside pipe is that interior bamboo winds composite layer (2) and outer bamboo winds composite layer (4), then the interior bamboo winding
Composite layer (2) with a thickness of 4~30mm, the insulating layer (3) with a thickness of 2~50mm, outer bamboo winding composite layer (4)
With a thickness of 4~50mm.
As present invention further optimization, the liner layer (1) is to utilize glass fibre knitting felt and unsaturation simultaneously
Polyester resin is formed by winding the glass fibre knitting felt；
Alternatively, the liner layer (1) is simultaneously using bamboo fiber nonwovens and unsaturated polyester resin, by described in winding
Bamboo fiber nonwovens molding；
Alternatively, the liner layer (1) is to be to utilize glass fibre knitting felt, bamboo fiber nonwovens and unsaturated polyester (UP) simultaneously
Resin is formed by winding the glass fibre knitting felt and the bamboo fiber nonwovens.
As present invention further optimization, the external protection (5) is the coating of anti-corrosion and waterproof；Preferably, the painting
Uvioresistant additive is also added in layer.
As present invention further optimization, the insulation carpet veneer is aerogel heat-insulating carpet veneer.
Contemplated above technical scheme through the invention, compared with prior art, due to winding composite pressure pipe to bamboo
The specific setting parameter of internal insulating layer improves, and making heat insulation layer structure and other structural pipe walls, (especially bamboo winding is tied
Structure) effect is matched, so that bamboo winding composite pressure pipe had not only had good heat insulating effect, but also there is high intensity,
The pressure rating of pipeline reaches 15000N/m up to 1.6MPa, ring stiffness2, can be used as pressure pipeline applied to various fluids (packet
Include liquids and gases) transmission field.Bamboo winding composite pressure pipe in the present invention uses interlayer structure, by adjacent any
Insulating layer is set between two bamboo winding composite layers, and the thickness of the thickness and bamboo winding composite layer to insulating layer is controlled
System so that bamboo winding composite pressure pipe had not only had high intensity, but also has good thermal insulation property, the thermal conductivity of pipeline entirety
It can be down to 0.01W/ (m2K), good heat-insulation effect.
Bamboo winding composite pressure pipe in the present invention is similar to traditional bamboo winding composite pressure pipe, is to wind shape by thin bamboo strips used for weaving
At bamboo winding composite layer (bamboo wind composite layer inside each thin bamboo strips used for weaving layer between by adhesive bonding), using thin bamboo strips used for weaving elasticity with
And the strength characteristics of bamboo fibre vascular bundle, make the bamboo to be formed winding composite layer that there is high shock resistance, intensity is high.To have
For one interlayer structure of two layers of bamboo winding composite layer and one layer of heat preservation layer, bamboo winding composite layer can directly wind setting and exist
The external of liner layer forms interior bamboo winding composite layer, and felt insulation (e.g., aerogel heat-insulating felt) then winds around interior bamboo winding
The external of composite layer forms insulating layer, and another layer of bamboo winding composite layer (that is, outer bamboo winds composite layer) then continues through and closely twine
Around the outside that the insulating layer is arranged in；Since thin bamboo strips used for weaving raw material has elasticity, the felt insulation of insulating layer only can be by simply winding just
It is fixed between two layers of bamboo winding composite layer, and keeps good the thickness uniformity.Due to insulating layer and bamboo winding composite layer that
This is arranged by way of being closely wound, so that the good integrity of bamboo winding composite pressure pipe, can be further ensured that this
The thermal insulation property and strength character of bamboo winding composite pressure pipe.Further, since bamboo winding composite layer itself thermal coefficient is low, lead to
Cross it is cooperating therewith using the felt insulation of the low an order of magnitude of thermal coefficient so that the bamboo winding composite pressure pipeline in fluid thermal
Loss is smaller, can play good insulation effect.
To sum up, the bamboo in the present invention winds composite pressure pipe, has high heat insulating ability, and intensity is high, is able to satisfy conventional
Pressure pipeline application demand (such as water-supply-pipe), the Applicable temperature range which winds composite pressure pipe is -50 DEG C~100 DEG C,
It is particularly suitable for the application environment for needing to keep the temperature or area and heat insulating work.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of bamboo winding composite pressure pipe in the present invention.
The meaning of each appended drawing reference is as follows in figure: 1 is liner layer, and 2 wind composite layer for interior bamboo, and 3 be insulating layer, and 4 be outer
Bamboo winds composite layer, and 5 be external protection (such as corrosion-inhibiting coating).
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.As long as in addition, technical characteristic involved in the various embodiments of the present invention described below
Not constituting a conflict with each other can be combined with each other.
Bamboo winding composite pressure pipe in the present invention has high heat preservation property, enables to wind composite pressure by the bamboo
The fluid heat loss of pipeline transmission is small, is highly suitable for the application environment for needing to keep the temperature or area.
As shown in Figure 1, the bamboo winding composite pressure pipe in the present invention successively includes liner layer along caliber direction from inside to outside
1, functional layer and external protection 5, wherein the functional layer includes at least two layers of bamboo winding composite layer and at least one layer of insulating layer 3, phase
Insulating layer 3 is provided between adjacent any two bamboo winding composite layer；
It includes multilayer thin bamboo strips used for weaving layer that any one bamboo, which winds composite layer, and thin bamboo strips used for weaving layer is entwined by thin bamboo strips used for weaving；With existing bamboo
Winding technology is similar, winds composite layer for any one bamboo, passes through between each thin bamboo strips used for weaving layer in bamboo winding composite layer
Common bamboo winding adhesive, such as amino resins gluing agent can be used in adhesive bonding, adhesive.
Any one insulating layer 3 is to be insulated carpet veneer (as aerogel heat-insulating carpet veneer has good thermo-insulation properties)；
External protection 5 is the coating of anti-corrosion and waterproof；As needed, it may further be enriched with uvioresistant in external protection 5 to add
Add agent, to have anti-ultraviolet function；
In addition, liner layer 1 can be while using glass fibre knitting felt and unsaturated polyester resin, infiltrated by winding
The glass fibre knitting felt of unsaturated polyester resin forms；Glass fibre knitting felt can be by bamboo fiber nonwovens replacing whole or portion
Divide substitution.
Insulating layer 3 is preferably entwined using felt insulation；Composite layer is wound for adjacent any two bamboo is arranged in
Between any one insulating layer 3, felt insulation wind around it is adjacent with the insulating layer 3 and close to bamboo wind composite pressure pipe
On the outside of internal bamboo winding composite layer, and by outside adjacent with the insulating layer 3 and close bamboo winding composite pressure pipe
Bamboo winding composite layer closely surrounds.
Embodiment 1
As shown in Figure 1, the bamboo in the present embodiment 1 winds composite pressure pipe, which, which winds composite pressure pipe, has two layers of bamboo
Composite layer and one layer of heat preservation layer 3 are wound, remembers in two layers of bamboo winding composite layer to be interior bamboo inside bamboo winding composite pressure pipe
Composite layer 2 is wound, another winds the outer bamboo outside composite pressure pipe close to bamboo and winds composite layer 4, including insulating layer 3 is then arranged
Bamboo winds between composite layer 2 and outer bamboo winding composite layer 4 (an i.e. corresponding interlayer structure).
Interior bamboo winding composite layer 2 with a thickness of 4mm~30mm, insulating layer 3 with a thickness of 2mm~50mm, outer bamboo winding is multiple
Close layer 4 with a thickness of 4mm~50mm；In addition, the thickness of interior bamboo winding composite layer 2 is preferably 4mm, the thickness of insulating layer 3 can
The thickness of preferably 10mm, outer bamboo winding composite layer 4 are preferably 10mm.
Correspondingly, bamboo winding composite pressure pipe can be prepared using following methods:
It is liner layer production first, it is Wrapping formed on mold using glass fibre knitting felt and unsaturated polyester resin,
The diameter of the mold can adjust according to actual needs；The preparation of the liner layer can refer to existing bamboo coiled composite tube liner layer
Preparation process, can also individually be wound using bamboo fiber nonwovens, or use glass fibre knitting felt and bamboo fiber nonwovens
Common winding etc., within 5mm, diameter (such as internal diameter) can divide the thickness control of the liner layer within the scope of 150~1500mm
Cloth.
Then, after liner layer solidification (that is, after unsaturated polyester resin curing degree is met the requirements), outside liner layer
Wind functional layer；The functional layer consists of three parts, along bamboo winding composite pressure pipeline radial direction from the inside to the outside successively
Composite layer, insulating layer, outer bamboo are wound for interior bamboo and winds composite layer, wherein interior bamboo winding composite layer and outer bamboo winding composite layer are equal
For bamboo wind composite layer, can refer to existing bamboo winding process, can be used identical raw material (such as thin bamboo strips used for weaving and amino resins) and
Winding process；The thickness of interior bamboo winding composite layer is can be controlled within 30mm, and the thickness of outer bamboo winding composite layer is can be controlled in
Within 50mm；Insulating layer uses felt insulation, preferably aerogel heat-insulating felt, which is also to be wrapped in interior bamboo using canoe
The outside of composite layer is wound, in addition, being not necessarily to sprinkling resin adhesive when winding the insulating layer, only the independent wound insulation felt of need is
Can, the thickness control of the insulating layer is within 50mm.
Finally, can be modified as needed to the pipe shaft after being cured, (solidifying can be in the solidification of resin adhesive routine
At a temperature of carry out, such as 80 DEG C；Pre-shaping step is optional step), then carry out the production of corrosion-inhibiting coating；In addition, the anti-corrosion applies
Layer can also add uvioresistant additive, it is made to have anti-ultraviolet effect.
The structure sheaf of bamboo winding composite pressure pipe of the present invention is in interlayer structure, and insulating layer is sandwiched in adjacent 2 bamboos winding
Between composite layer (e.g., interior bamboo winding composite layer 2 and outer bamboo wind composite layer 4) (for total insulating layer number more than or equal to 2
Situation can be only adjacent with 1 layer of bamboo winding composite layer, that is, the outermost layer insulating layer is wrapped in this for outermost insulating layer
Layer bamboo winding composite layer outside on, can not by other bamboos wind composite layer surround, at this point, outermost layer insulating layer can be used as
The other modes such as knitting are fixed), which is at least 1, be can also be used multiple；Insulating layer uses aerogel heat-insulating felt,
Aerogel heat-insulating felt density is 0.16g/cm3, thermal coefficient only has 0.015W/ (m2K), light-weight, in -50 DEG C~100 DEG C areas
Between have good heat insulation, the mutual cooperation (such as thickness parameter cooperates) of composite layer is wound by insulating layer and bamboo so that
Bamboo winding composite pressure pipe had not only had good heat insulating effect, but also had high intensity, can be used as pressure pipeline application
In various fluids (including liquids and gases) transmission field.
As it will be easily appreciated by one skilled in the art that the foregoing is merely illustrative of the preferred embodiments of the present invention, not to
The limitation present invention, any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should all include
Within protection scope of the present invention.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610736362.6A CN106195464B (en) | 2016-08-26 | 2016-08-26 | A bamboo winding composite pressure pipe |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610736362.6A CN106195464B (en) | 2016-08-26 | 2016-08-26 | A bamboo winding composite pressure pipe |
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| CN106195464A CN106195464A (en) | 2016-12-07 |
| CN106195464B true CN106195464B (en) | 2019-06-14 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107300045A (en) * | 2017-08-30 | 2017-10-27 | 西南石油大学 | A kind of composite strengthening Winding pressure pipe |
| CN107504289A (en) * | 2017-10-06 | 2017-12-22 | 西南石油大学 | Brown skin bamboo chip winds composite pressure pipe |
| CN108278424A (en) * | 2018-02-09 | 2018-07-13 | 安徽华奇管业有限公司 | A kind of resistance to bean curd stick of antibacterial with bell socket winds composite pressure pipe |
| CN109571689A (en) * | 2018-11-21 | 2019-04-05 | 鑫竹海(山东)管道制造有限公司 | A kind of compound rain sewage pipe production technology of bamboo winding |
| CN111928021A (en) * | 2020-07-14 | 2020-11-13 | 山东方大新材料科技有限公司 | Novel oil field heat preservation inside lining composite pipe |
| CN118194418B (en) * | 2024-05-17 | 2024-08-06 | 浙江数智交院科技股份有限公司 | Design method and system of bamboo winding composite pipe culvert under highway load effect |
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| CN206386572U (en) * | 2016-08-26 | 2017-08-08 | 浙江鑫宙竹基复合材料科技有限公司 | A kind of bamboo winds composite pressure pipe |
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| JP2002127284A (en) * | 2000-10-26 | 2002-05-08 | Sanwa Kogyo Kk | Interior finish sheet for vehicle |
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|---|---|---|---|---|
| CN202327397U (en) * | 2011-11-17 | 2012-07-11 | 新疆广水管道有限公司 | Bamboo composite pressure pipe |
| CN102922584A (en) * | 2012-11-01 | 2013-02-13 | 邓和平 | Processing method of elastic bamboo floor |
| CN203604828U (en) * | 2013-11-07 | 2014-05-21 | 浙江鑫宙竹基复合材料科技有限公司 | Thermosetting type bamboo-sand composite pressure tube |
| CN203650655U (en) * | 2013-12-17 | 2014-06-18 | 杭州恒木家居有限公司 | Bamboo furniture plate |
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| CN106195464A (en) | 2016-12-07 |
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Effective date of registration: 20240115 Address after: 311115 No.6 Xiuyan Road, Fengdu village, Pingyao Town, Yuhang District, Hangzhou City, Zhejiang Province Patentee after: ZHEJIANG XINZHOU BAMBOO-BASED COMPOSITES TECHNOLOGY Co.,Ltd. Patentee after: Ye Ling Patentee after: China Railway Construction Bamboo Winding Development Co.,Ltd. Address before: 311115 No. 6 Xiuyan Road, Fengdu Village, Pingyao Town, Yuhang District, Hangzhou City, Zhejiang Province Patentee before: ZHEJIANG XINZHOU BAMBOO-BASED COMPOSITES TECHNOLOGY Co.,Ltd. Patentee before: Ye Ling |
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Effective date of registration: 20250113 Address after: 311122 No. 29-16, Jiaqi Road, Xianlin Street, Yuhang District, Hangzhou, Zhejiang Patentee after: Zhonglin Xinzhou Bamboo Winding Development Co.,Ltd. Country or region after: China Patentee after: China Railway Construction Bamboo Winding Development Co.,Ltd. Address before: 311115 No.6 Xiuyan Road, Fengdu village, Pingyao Town, Yuhang District, Hangzhou City, Zhejiang Province Patentee before: ZHEJIANG XINZHOU BAMBOO-BASED COMPOSITES TECHNOLOGY Co.,Ltd. Country or region before: China Patentee before: Ye Ling Patentee before: China Railway Construction Bamboo Winding Development Co.,Ltd. |